Drop a file here or click to choose
Your file stays on your device. Processing happens locally in your browser.
What is Resize Video for TikTok?
TikTok is watched full-screen on phones, so landscape clips end up small with big bars. This page opens the video resizer on the TikTok preset (9:16, 1080×1920, 30 fps). Choose Fill to zoom the video to cover the whole screen, or Fit to keep the full picture. Your clip is processed in your browser and never uploaded to us.
Resize a video for TikTok with the 9:16 1080×1920 canvas preselected. Fill zooms to cover the screen; Fit keeps the whole picture. Runs locally in your browser.
Key features
- 9:16 1080×1920 at 30 fps preselected
- Fill for full-screen, Fit for the whole picture
- Works with landscape and square sources
- Runs in your browser — nothing is uploaded
Popular uses
- Repost a YouTube-style landscape clip on TikTok
- Turn a square Instagram video into a full-screen TikTok
- Prepare gameplay or screen recordings for vertical feeds
Supported formats
Input: MP4, M4V, MOV, WebM, MKV, AVI. Output: MP4 (H.264 + AAC) by default.
Troubleshooting
- My landscape video is tiny in the middle That is Fit. Choose Fill to zoom it to full screen, or crop it first with Crop Video.
Also known as: TikTok Video Resizer, Landscape to Vertical Video.
How it works
- Choose your video — it stays on your device.
- The TikTok preset (1080×1920, 9:16, 30 fps) is preselected. Choose Fill to cover the screen or Fit to keep the whole picture.
- Click Run and upload the MP4 to TikTok yourself.
FAQ
My video is landscape. How do I make it vertical?
Choose Fill to zoom in and crop the sides so the video covers the whole screen, or Fit to keep the whole picture with bars above and below. For a custom framing use Crop Video first.
Is my video uploaded?
No. Everything runs in your browser with WebAssembly. Your file never leaves your device and is never sent to Fah Swe servers.
Will TikTok accept the result?
The preset matches TikTok's usual 9:16 format, but TikTok can change its requirements; acceptance is not guaranteed.
Does this upload to TikTok for me?
No. You download the MP4 and upload it in the TikTok app yourself.